error setting up a home voice lab

I'm setting up a voice lab at home. it is a 1760 with cme 4.? the ios is 12.4-15T10. and i'm using the cme for 12.4-15-T.
Being work through setting everything up. I get an error message:
T17(config-telephony)#create cnf-files
Cannot currently create files. Please verify CME configuration or wait until previous file generation is complete, and then re-issue this command.
Any one give me some help on figuring out why that is happening?
I also noticed on rebooting the router that these error messages also occured:

! WARNING !
AUTHORIZED PERSONAL ONLY
TRESSPASSING IS VIOLATION OF LAW AND WILL
PROSECUTED TO THE HIGHEST
EXTENT OF THE LAW
! WARNING !
This is the top 1760 Router^C
!
line con 0
exec-timeout 0 0
logging synchronous
line aux 0
line vty 0 4
privilege level 15
login local
transport input telnet ssh
!
end
T17#

as far as the dsp error messages. There are two pdvms in the router, so I switched them around. And, the error message isn't occuring any more. I guess they just needed to reseated in their slot. Didn't make any difference on creating the cnf files. Still getting that error.

"secondly, when i try to create the cnf files manuallyand issue the command create cnf-filesI GET THE ERROR
Cannot currently create files. Please verify CME configuration or wait until previous file generation is complete, and then re-issue this command"

No, I hadn't seen that. I had done a google search and found a few messages. But, none like this. It says, they hadn't created a ntp server on cme. they created ntp and then no more error message.
Not sure about what they mean by create a ntp server on cme. But, I did make the router that i'm running cme on a master ntp server by running the ntp master command. it show up as the master and is sync'ed
And, maybe that was necessary, but I'm still getting the same cannot create files error message.

well, I got it working. made several configuration changes. none seemed to work but the last one. But, maybe more than one was neccessary to get it working. Here are the items that I did:
set the time: clock time-zone and clock summer-time
put in a dhcp exclusion for the router's address ip dhcp excluded-address
set the domain name ip domain name
and the last one before it started working
config t;telphony-service;ip source-address
on to getting the phone working now

As the 1760 does not have a Real Time Clock built in, it resets to sometime in 1993 when you power cycle it and does not retain the current date/time. So when it reads the config and generates the cnf-files it could be trying (in some cases) to create the files with a date/time BEFORE the existing ones, causing that error. Just an oddity of some Cisco hardware...

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